If you're encountering the issue "no devices found" with rkdevtool, here are some potential solutions to consider:
In an instant, the grey text in RKDevTool transformed into a bright, hopeful green: "Found One LOADER Device." rkdevtool no devices found
Here’s an interesting, troubleshooting-style write-up on the frustrating but common issue: “rkdevtool no devices found” — often encountered by developers working with Rockchip-based devices (e.g., Chromebooks, single-board computers like the Orange Pi, or custom Android tablets). If you're encountering the issue "no devices found"